Sherwin, David. Creative workshop : 80 challenges to sharpen your design skills / David Sherwin. - Cincinnati, Ohio : Newton Abbot How ; David & Charles [distributor], 2010. - 1 v. col. ill.; 21 cm. ISBN: 1600617972 £25.00 9781600617973 £25.00 Nat. Bib. No.: GBB095976 bnb Subjects--Topical Terms: Creativity--Problems, exercises, etc. LC Class. No.: BF408 / .S4486 2010 Dewey Class. No.: 153.35